Patent · US Active

Metal scavenging polymers and uses thereof

US8211389B2 · kind B2 · utility

11Cited by

9References

20Claims

0Family size

Assignee

Nalco Company LLC · US

Inventors

Paul J. Zinn · Hillsboro, US
Jitendra Shah · Naperville, US
William J. Andrews · Hazelwood, US

Key dates

Filing date	Apr 6, 2010
Grant date	Jul 3, 2012
Priority date	—
Expiry date	Oct 13, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2301/08
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Uses for a composition comprising a polymer derived from at least two monomers: acrylic-x and an alkylamine, wherein said polymer is modified to contain a functional group capable of scavenging one or more compositions containing one or more metals are disclosed. These polymers have many uses in various mediums, including wastewater systems.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.